Maths practice for 11-year-olds. - page 184 of 224

Number of problems found: 4479

Hectoliter into cube
Can 1 hl of water fit into a half-meter cube?
Road length
What is the actual length of the road, which measures 5 cm on a 1:250000 scale map?
Unknown number
If we multiply the number by 4, I get a third of the number 36. Specify an unknown number.
Triangle construction
Draw a circle k (S, r = 3cm). Build a triangle ABC so that its vertices lie on the circle k and the length of the sides is (AB) = 2.5 cm (AC) = 4 cm
Czech crowns
Oldrich has one crown. Peter has five crowns coin, a two crown coin, and a one-crown coin. Radek has a twenty-crown banknote, ten banknotes, and a five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly wh
Cabinet painting
The cabinet for storing garden tools is shaped like a cube with an edge length of 2 m. How many m² of paint will we need to paint this cabinet if we paint everything except the bottom base? How much will it cost to paint a cabinet if one can of paint for
Flooring area
The room has the shape of a rectangle measuring 6m and 5m, the children's room has dimensions of 5m and 4m, and the bedroom has the shape of a square measuring 4m. How many m² of floating floors do they need in all rooms?
The sidewalk
The sidewalk is 50 m long. On a scale of 1:200, what will the length of the plot plan be?
Triangle height
Calculate the height size in the triangle ABC if the side length a = 20cm and the area of the triangle is 50 cm square.
Equation
16 + 2x-7 = 5x + 10-4x
Summerjob
Milan saved a quarter of the money from the summer job, bought a winter jacket for half, bought gifts for his parents and siblings for a sixth, and still had CZK 400 left. How much did Milan earn?
Settlements distance
On the map of Kosice with a scale of 1:7,000 is the distance between the housing estate NadJezera and the housing estate Tahanovce 9 cm. What is the actual air distance of these settlements?
Ferry distance
Calculate the actual ferry length between the measured and the new measure on the map 3 cm M 1:300,000
Garden plan
Dad wants to draw a rectangular garden on the plan for this house, which measures 23m and 20m. What will be the sides of this rectangle on the plan in scale M 1:1000?
Student plans
One-third of the 8A class student wants to go to high school after finishing primary school, and half of the students are interested in the field of study. The remaining four have not yet been decided. How many students are there in 8A?
Map scale
What is the map's scale if the 2.5 cm long line represents 500 km?
Small city
The length of the street is 230 m. What will its image length be on the plan at a scale of 1:2500?
Tulip planting
The gardener planted 3/7 of the prepared tulips on the first and 1/7 on the second. What part of the prepared tulips did he already plant? What part does he have left? Can we calculate how many tulips there are? Which data is missing?
Speed limit
The maximum allowed speed in the village is 50km/h. The police measured that the car crossed the 800 m long section in 40 seconds. Was the driver fined for exceeding the speed limit?
Equation solutions
The solution to the equation 3x = 8x is a / no real number b / x = 8/3 c / x = 3/8 d / x = 0 e / infinitely many solutions

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